Security Blog

Offensive Security, Explained.

Technical depth on OWASP Top 10, EASM, DAST, and building continuous security programs. Written for engineers and security teams who ship.

Concepts7 min read

EASM vs. DAST: Why You Need Both for Modern Infrastructure

External Attack Surface Management maps what is exposed to the internet. DAST actively tests for exploitable vulnerabilities. This post explains why neither approach alone is sufficient — and how combining them gives you the full threat picture.

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Business6 min read

The Hidden Cost of Manual Pentesting in 2026

Annual penetration tests cost $15,000–$50,000 and produce a point-in-time report that's outdated the moment it's printed. This post breaks down the true cost model and makes the business case for continuous automated security.

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CISO Guide8 min read

What CISOs Need to Know About External Attack Surface Management in 2026

A strategic briefing for security leaders on why EASM has moved from emerging category to operational necessity — and what a mature EASM program looks like in practice.

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Security8 min read

OWASP Top 10 2025: What Changed and Why It Matters for Your AppSec Program

Security Misconfiguration moved up to #2, Software Supply Chain Failures and Mishandling of Exceptional Conditions are new, and SSRF was folded into Broken Access Control. The full 2025 list and what it means for your AppSec program.

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Business8 min read

Continuous Pentesting vs. Annual Audits: A Technical and Business Comparison

An objective comparison of point-in-time security audits versus continuous automated testing across detection speed, coverage, cost, and compliance value — with a framework for choosing the right model for your organization.

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Deep Dive8 min read

Subdomain Takeover: How Attackers Exploit Dangling DNS Records

A technical deep-dive into subdomain takeover — how dangling CNAME records create takeable endpoints, how attackers claim them, and how automated EASM detection prevents this class of vulnerability.

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Deep Dive9 min read

How PentestCheck Detects SQL Injection: From Crawling to Active Validation

A technical walkthrough of the SQL injection detection pipeline — how the Advanced Web Crawler discovers injectable parameters, and how the Automated Injection Engine validates exploitability with evidence.

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Product7 min read

Understanding the PentestCheck Threat Score: A 0–10 Risk Quantification Model

A detailed breakdown of how the Threat Score is calculated — CVSS severity weighting, finding density, asset exposure, and attack surface breadth — and how to interpret your score as an actionable risk posture signal.

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Security9 min read

Broken Access Control (OWASP A01): How to Detect and Fix It at Scale

Broken Access Control is #1 in the OWASP Top 10:2025, as it was in 2021. This post covers detection strategies, common patterns, automated testing approaches, and a remediation framework.

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Tutorial5 min read

Security Scan Alerts in Slack, Discord, Telegram and Email

Get PentestCheck scan alerts in Slack, Discord, Telegram or email when a finished scan finds new issues at or above your chosen severity. Pro plan.

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Security8 min read

Security Misconfiguration (OWASP A02): The #1 Cloud Risk in 2026

Security Misconfiguration jumped to #2 in OWASP Top 10 2025 because cloud infrastructure has made it the most common real-world attack vector. This post covers the full spectrum of misconfigurations, detection methods, and a systematic hardening checklist.

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Deep Dive8 min read

SSRF Detection and Prevention: From OWASP A10:2021 to A01:2025

Server-Side Request Forgery was A10 in the OWASP Top 10:2021; the 2025 edition folds it into A01 Broken Access Control. This post explains how SSRF works against cloud infrastructure, how to detect it with active probing, and how to prevent it architecturally.

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Deep Dive9 min read

API Security Testing: Why Traditional Scanners Miss Modern API Vulnerabilities

REST and GraphQL APIs have a fundamentally different attack surface than traditional web applications. This post covers the OWASP API Security Top 10, why traditional DAST tools fail at API testing, and what a proper API security assessment looks like.

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Leadership7 min read

Building a Security-First Culture: From Reactive Patches to Continuous Monitoring

Security culture is not a training program or a compliance exercise. It's an engineering practice embedded in daily workflows. This post outlines the structural shifts that move organizations from reactive security to proactive continuous monitoring.

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Security7 min read

JWT Security: The 5 Vulnerabilities That Still Break Production Apps in 2026

JSON Web Tokens are the dominant authentication mechanism for APIs and SPAs. They're also consistently misconfigured in ways that lead to authentication bypass. This post covers the 5 most common JWT security failures and how to test for them.

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Security8 min read

Cloud-Native Security: The 7 AWS Misconfigurations That Lead to Breaches

AWS misconfigurations are behind the majority of cloud breaches. This post documents the 7 most common attack-leading misconfigurations, how external scanners detect them, and the AWS-native controls that prevent them.

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DevSecOps7 min read

Dependency Vulnerability Management: Why Your Package Manager Is a Security Perimeter

Open source dependencies are the largest unmanaged attack surface in most codebases. This post covers the full SCA workflow — inventory, CVE monitoring, exploitability assessment, and SBOM generation — for teams that ship continuously.

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Tutorial6 min read

TLS Certificate Management: The Security Risks of Expired and Misconfigured Certificates

Certificate expiry causes outages. Certificate misconfiguration causes breaches. This post covers TLS security hardening, certificate lifecycle automation, and why your EASM program must monitor certificates continuously.

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